sql float format

SELECT CONVERT (varchar), CAST (@testFloat as Decimal (38,2)))SELECT STR (@testFloat, 38, 2)Import from Excel to sql2000, there is a column "contact" has become a float type, I want to convert to nvarchar type, with the following statementSelect

I don't think many of my friends will use the float type in mysql, especially when we use money, we may use double precision, we know that the float type of mysql is a single-precision floating point type, which may cause data errors accidentally. I

Think a lot of friends are not how to use the float type in MySQL, especially when it comes to money we may use double precision, we know that the type of float of MySQL is single precision floating point type is careless will cause data

Single-precision floating-point numbers are 4 bytes (32bit) representing floating point numbersUses the IEEE754 standard computer floating-point number, in the interior is uses the binary system to representFor example: 7.22 with a 32-bit binary is

Usage of float type in mysql bitsCN.com A single-precision floating point uses 4-byte (32bit) to represent a floating point.A computer floating point number that adopts the IEEE754 standard is represented in binary format internally.For example, 7.22

Single-precision floating-point numbers are 4 bytes (32bit) representing floating point numbersUses the IEEE754 standard computer floating-point number, in the interior is uses the binary system to representFor example: 7.22 with a 32-bit binary is

A single-precision floating point uses 4-byte (32bit) to represent a floating point.A computer floating point number that adopts the IEEE754 standard is represented in binary format internally.For example, 7.22 cannot be expressed in 32-bit

Single-precision floating-point numbers are 4 bytes (32bit) representing floating point numbersUses the IEEE754 standard computer floating-point number, in the interior is uses the binary system to representFor example: 7.22 with a 32-bit binary is

SELECT CONVERT (varchar), CAST (@testFloat as Decimal (38,2))SELECT STR (@testFloat, 38, 2) Importing from Excel to sql2000, there is a list of "contacts" that have become float types, and I want to convert to nvarchar type, using the following

Use the float data type with caution in the database   most programming languages support a float or double data type. There are also data types for the same keywords in the database, so many developers naturally use float as a field type where